Eyes On Fifth in downtown San Diego's Gaslamp Quarter stocks international prescription eyewear and designer sunglasses from European, Japanese, and American manufacturers at 228 Fifth Avenue. The boutique carries frame lines including MYKITA, Lunor, Cazal, and Oliver Peoples, and its prescription-dispensing work relies on refractive data from optometrists throughout the downtown network including Thu Nguyen, OD at Sharp Rees-Stealy Downtown. A California-credentialed spectacle dispenser holding a Fellowship in the National Academy of Opticianry leads the fitting team, matching frame geometry to facial structure, lifestyle, and prescription demands for each client. High-index prescription lenses for strong corrections are custom-ground to minimize cosmetic distortion, and the boutique's concierge-level fitting service extends to rush replacement frames for travelers at Gaslamp properties including Spa Pendry San Diego. The most technically demanding fittings involve progressive-lens optimization in high-wrap sport frames and ultra-lightweight titanium drill-mount rimless configurations requiring sub-millimeter pupillary-distance calibration.